Photocopying – Contact printing – Light boxes
Patent
1993-01-26
1994-06-21
Pendegrass, Joan H.
Photocopying
Contact printing
Light boxes
271 9, 346134, G03G 1500
Patent
active
053232208
ABSTRACT:
A printing apparatus used in a computer system selects either one of a plurality of paper feed cassettes and prints image data onto a cut sheet supplied from the selected cassette. Paper sensors are individually attached at predetermined positions which are located just after a plurality of paper feed cassettes at the same distance. The paper conveying times from the attaching positions of the paper sensors to a print start request position have been preset. When the cassette is switched during the printing operation, the predetermined paper feed timing time is changed. When switching from the cassette at a near position to the cassette at a remote position, the paper feed timing time is set to a short time and the paper feeding operation from the cassette on the switching side is instructed. When switching from the cassette at a remote position to the cassette at a near position, the predetermined paper feed timing time is set to a long time and the paper feeding operation from the cassette on the switching side is instructed.
REFERENCES:
patent: 4918489 (1990-04-01), Inage et al.
patent: 4956651 (1990-09-01), Emori
Fujitsu Limited
Pendegrass Joan H.
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